20347086976

素因数分解:

$2^7\times {\mathrm{1297}}^1\times {\mathrm{122561}}^1$

素因数の和:123872

約数の個数: 32

約数和(自身を含む): 40566796380

約数和(自身を除く): 20219709404

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1297, 2594, 5188, 10376, 20752, 41504, 83008, 122561, 166016, 245122, 490244, 980488, 1960976, 3921952, 7843904, 15687808, 158961617, 317923234, 635846468, 1271692936, 2543385872, 5086771744, 10173543488, 20347086976]

約数ペア:

[(1, 20347086976), (2, 10173543488), (4, 5086771744), (8, 2543385872), (16, 1271692936), (32, 635846468), (64, 317923234), (128, 158961617), (1297, 15687808), (2594, 7843904), (5188, 3921952), (10376, 1960976), (20752, 980488), (41504, 490244), (83008, 245122), (122561, 166016)]